Mamiya-Sekor C 35mm F/3.5

Ultra-wide angle prime lens • Film era • Discontinued

  • Announced:
  • · 1976
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · MAMIYA-SEKOR C 1:3.5 f=35mm
  • Class:
  • · Slow 6x4.5 medium-format ultra-wide angle prime lens
  • · Professional model (Top class)
  • System:
  • · Mamiya M645 (1975)

Abbreviations

C Multi-layer anti-reflection coating is applied to the surfaces of lens elements. This anti-reflection coating increases light transmission, eliminates flare and ghosting, and maintains color consistence among all lens models.

Model history (4)

■Mamiya-Sekor C 35mm F/3.5A9 - 70.45m⌀77 1976 ●
■Mamiya-Sekor C 35mm F/3.5 NA9 - 70.45m⌀77 ●
■Mamiya 645 AF 35mm F/3.5A9 - 70.35m⌀77 2001 ●
■Mamiya Sekor D AF 35mm F/3.5A9 - 70.35m⌀77 2011 ●

Specification

Optical design:
Medium format 6x4.5
35mm
F/3.5
9 elements in 7 groups
Floating element system
Mamiya M645 [63mm]
89.8°
Diaphragm mechanism:
Diaphragm type:
Automatic
Aperture control:
Aperture ring (Manual settings only)
6 (six)
Focusing:
0.45m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
445g
⌀80×61.5mm
Accessories:
Screw-type 77mm
Not required
Not compatible

Sources of data

  • Mamiya-Sekor C interchangeable lenses for Mamiya M645 instructions.
  • Mamiya-Sekor C interchangeable lenses for Mamiya M645 Super/ M645 instructions.
  • Mamiya-Sekor C interchangeable lenses for Mamiya M645 instructions (II).
  • Mamiya M645 booklet (1982).
  • Mamiya M645 booklet (1981).
  • Mamiya M645 instructions (II).
  • Mamiya M645 instructions.
  • Mamiya M645 1000S booklet.
  • Mamiya M645 1000S instructions.
  • Mamiya M645J instructions.
  • Mamiya M645J instructions (II).

Other ultra-wide angle prime lenses in the Mamiya M645 system

■Mamiya M645 mount (1)
Mamiya-Sekor C 35mm F/3.5 NA9 - 70.45m⌀77 ●

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